/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.uhilger.neon.up;

import java.io.IOException;

/**
 * Der Lowlevel MultipartParser aus dem Projekt Apache Commons Fileupload 
 * ohne Abhaengigkeiten zum Rest von Commons Fileupload und Commons IO.
 * 
 * This exception is thrown for hiding an inner FileUploadException in
 * an IOException
 */
public class FileUploadIOException extends IOException {

  /**
   * The exceptions UID, for serializing an instance.
   */
  private static final long serialVersionUID = -7047616958165584154L;

  /**
   * The exceptions cause; we overwrite the parent classes field, which is
   * available since Java 1.4 only.
   */
  private final Exception cause;

  /**
   * Creates a <code>FileUploadIOException</code> with the given cause.
   *
   * @param pCause The exceptions cause, if any, or null.
   */
  public FileUploadIOException(Exception pCause) {
    // We're not doing super(pCause) cause of 1.3 compatibility.
    cause = pCause;
  }

  /**
   * Returns the exceptions cause.
   *
   * @return The exceptions cause, if any, or null.
   */
  @Override
  public Throwable getCause() {
    return cause;
  }

}